Home / 2,867,878.88-3,957,742.32-1,578,760.64

Finding the Fourth Proportional to 2,867,878.88, 3,957,742.32 and 1,578,760.64

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Solution

The fourth proportional to 2,867,878.88, 3,957,742.32 and 1,578,760.64 is: 2,178,727.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,878.88 : 3,957,742.32 = 1,578,760.64 : x
  2. Step 2: Convert to fraction form
    2,867,878.88/3,957,742.32 = 1,578,760.64/x
  3. Step 3: Cross multiply
    2,867,878.88x = 3,957,742.32 × 1,578,760.64
  4. Step 4: Simplify right side
    2,867,878.88x = 6,248,327,798,078.28
  5. Step 5: Solve for x
    x = 6,248,327,798,078.28/2,867,878.88
  6. Step 6: Final answer
    x = 2,178,727.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.